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https://www.readbyqxmd.com/read/28441355/-188-re-liposome-can-induce-mitochondrial-autophagy-and-reverse-drug-resistance-for-ovarian-cancer-from-bench-evidence-to-preliminary-clinical-proof-of-concept
#1
Chia-Ming Chang, Keng-Li Lan, Wen-Sheng Huang, Yi-Jang Lee, Te-Wei Lee, Chih-Hsien Chang, Chi-Mu Chuang
Despite standard treatment, about 70% of ovarian cancer will recur. Cancer stem cells (CSCs) have been implicated in the drug-resistance mechanism. Several drug resistance mechanisms have been proposed, and among these, autophagy plays a crucial role for the maintenance and tumorigenicity of CSCs. Compared to their differentiated counterparts, CSCs have been demonstrated to display a significantly higher level of autophagy flux. Moreover, mitophagy, a specific type of autophagy that selectively degrades excessive or damaged mitochondria, is shown to contribute to cancer progression and recurrence in several types of tumors...
April 25, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28440205/in-vitro-collapsing-colon-cancer-cells-by-selectivity-of-disulfiram-loaded-charge-switchable-nanoparticles-against-cancer-stem-cells
#2
Marwa Muhammad Abu-Serie, Fatma Hassan El-Rashidy
BACKGROUND: Different strategies against colon cancer are accompanied by treatment failure, because of drug toxicity toward normal cells and cancer stem cells (CSCs) resistance. However, previous patent evaluated liposome that encapsulated inhibitor of CSCs' aldehyde dehydrogenase (ALDH)1; disulfiram, for targeting breast CSCs. Liposome has disadvantages due to its hydrophobicity. OBJECTIVES: Designing hydrophilic nanoparticles have selectivity to release disulfiram in CC cells rather than in normal colonocytes based on variation in microenvironment between normal and cancer cells...
April 24, 2017: Recent Patents on Anti-cancer Drug Discovery
https://www.readbyqxmd.com/read/28436961/the-evolving-landscape-of-drug-products-containing-nanomaterials-in-the-united-states
#3
Sheetal R D'Mello, Celia N Cruz, Mei-Ling Chen, Mamta Kapoor, Sau L Lee, Katherine M Tyner
The Center for Drug Evaluation and Research (CDER) within the US Food and Drug Administration (FDA) is tracking the use of nanotechnology in drug products by building and interrogating a technical profile of products containing nanomaterials submitted to CDER. In this Analysis, data from more than 350 products show an increase in the submissions of drug products containing nanomaterials over the last two decades. Of these, 65% are investigational new drugs, 17% are new drug applications and 18% are abbreviated new drug applications, with the largest class of products being liposomal formulations intended for cancer treatments...
April 24, 2017: Nature Nanotechnology
https://www.readbyqxmd.com/read/28435448/inhibition-of-platelet-function-using-liposomal-nanoparticles-blocks-tumor-metastasis
#4
Yinlong Zhang, Jingyan Wei, Shaoli Liu, Jing Wang, Xuexiang Han, Hao Qin, Jiayan Lang, Keman Cheng, Yiye Li, Yingqiu Qi, Greg J Anderson, Saraswati Sukumar, Suping Li, Guangjun Nie
Extensive evidence has shown that platelets support tumor metastatic progression by inducing epithelial-mesenchymal transition of cancer cells and by shielding circulating tumor cells from immune-mediated elimination. Therefore, blocking platelet function represents a potential new avenue for therapy focused on eliminating metastasis. Here we show that liposomal nanoparticles bearing the tumor-homing pentapeptide CREKA (Cys-Arg-Glu-Lys-Ala) can deliver a platelet inhibitor, ticagrelor, into tumor tissues to specifically inhibit tumor-associated platelets...
2017: Theranostics
https://www.readbyqxmd.com/read/28435252/polyphenol-nanoformulations-for-cancer-therapy-experimental-evidence-and-clinical-perspective
#5
REVIEW
Yasamin Davatgaran-Taghipour, Salar Masoomzadeh, Mohammad Hosein Farzaei, Roodabeh Bahramsoltani, Zahra Karimi-Soureh, Roja Rahimi, Mohammad Abdollahi
Cancer is defined as the abnormal cell growth that can cause life-threatening malignancies with high financial costs for patients as well as the health care system. Natural polyphenols have long been used for the prevention and treatment of several disorders due to their antioxidant, anti-inflammatory, cytotoxic, antineoplastic, and immunomodulatory effects discussed in the literature; thus, these phytochemicals are potentially able to act as chemopreventive and chemotherapeutic agents in different types of cancer...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28433739/dual-functional-drug-liposomes-in-treatment-of-resistant-cancers
#6
REVIEW
Li-Min Mu, Rui-Jun Ju, Rui Liu, Ying-Zi Bu, Jing-Ying Zhang, Xue-Qi Li, Fan Zeng, Wan-Liang Lu
Efficacy of regular chemotherapy is significantly hampered by multidrug resistance (MDR) and severe systemic toxicity. The reduced toxicity has been evidenced after administration of drug liposomes, consisting of the first generation of regular drug liposomes, the second generation of long-circulation drug liposomes, and the third generation of targeting drug liposomes. However, MDR of cancers remains as an unsolved issue. The objectives of this article are to review the dual-functional drug liposomes, which demonstrate the potential in overcoming MDR...
April 19, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28432037/investigating-in-vitro-and-in-vivo-%C3%AE-v%C3%AE-6-integrin-receptor-targeting-liposomal-alendronate-for-combinatory-%C3%AE-%C3%AE-t-cell-immunotherapy
#7
Naomi O Hodgins, Wafa' T Al-Jamal, Julie T-W Wang, Rebecca Klippstein, Jane K Sosabowski, John F Marshall, John Maher, Khuloud T Al-Jamal
The αvβ6 integrin receptor has been shown to be overexpressed on many types of cancer cells, resulting in a more pro-invasive and aggressive phenotype, this makes it an attractive target for selective drug delivery. In tumours that over-express the αvβ6 receptor, cellular uptake of liposomes can be enhanced using ligand-targeted liposomes. It has previously been shown in both in vitro and in vivo studies that liposomal alendronate (L-ALD) can sensitise cancer cells to destruction by Vγ9Vδ2 T cells. It is hypothesised that by using the αvβ6-specific peptide A20FMDV2 as a targeting moiety for L-ALD, the therapeutic efficacy of this therapy can be increased in αvβ6 positive tumours...
April 18, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28432031/membrane-lipid-replacement-for-chronic-illnesses-aging-and-cancer-using-oral-glycerolphospholipid-formulations-with-fructooligosaccharides-to-restore-phospholipid-function-in-cellular-membranes-organelles-cells-and-tissues
#8
REVIEW
Garth L Nicolson, Michael E Ash
Membrane Lipid Replacement is the use of functional, oral supplements containing mixtures of cell membrane glycerolphospholipids, plus fructooligosaccharides (for protection against oxidative, bile acid and enzymatic damage) and antioxidants, in order to safely replace damaged, oxidized, membrane phospholipids and restore membrane, organelle, cellular and organ function. Defects in cellular and intracellular membranes are characteristic of all chronic medical conditions, including cancer, and normal processes, such as aging...
April 18, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28431975/liposomal-curcumin-alters-chemosensitivity-of-breast-cancer-cells-to-adriamycin-via-regulating-microrna-expression
#9
Siying Zhou, Jian Li, Hanzi Xu, Sijie Zhang, Xiu Chen, Wei Chen, Sujin Yang, Shanliang Zhong, Jianhua Zhao, Jinhai Tang
BACKGROUND: Emerging evidence suggests that curcumin can overcome drug resistance to classical chemotherapies, but poor bioavailability and low absorption have limited its clinical use and the mechanisms remain unclear. Also, Adriamycin (Adr) is one of the most active cytotoxic agents in breast cancer; however, the high resistant rate of Adr leads to a poor prognosis. METHODS: We utilized encapsulation in liposomes as a strategy to improve the bioavailability of curcumin and demonstrated that liposomal curcumin altered chemosensitivity of Adr-resistant MCF-7 human breast cancer (MCF-7/Adr) by MTT assay...
April 18, 2017: Gene
https://www.readbyqxmd.com/read/28428790/nanoparticle-interactions-with-the-immune-system-clinical-implications-for-liposome-based-cancer-chemotherapy
#10
Ninh M La-Beck, Alberto A Gabizon
The development of stable and long-circulating liposomes provides protection of the drug cargo from degradation and increases tumor drug delivery, leading to the design of liposome formulations with great potential in cancer therapy. However, despite the sound pharmacologic basis, many liposomal as well as other nanoparticle-based drug formulations have failed to meet regulatory criteria for approval. The question that arises is whether we have missed key liposome-host interactions that can account for the gap between the major pharmacologic advantages in preclinical studies and the modest impact of the clinical effects in humans...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28428700/preparation-characterization-and-cytotoxic-effects-of-pegylated-nanoliposomal-containing-carboplatin-on-ovarian-cancer-cell-lines
#11
Meysam Ebrahimifar, Amir Nili-Ahmadabadi, Azim Akbarzadeh, Hasan Ebrahimi Shahemabadi, Majid Hasanzadegan, Hemen Moradi-Sardareh, Hassan Madadizadeh, Jalal Rezaee-Diyan
Carboplatin is a chemotherapeutic agent used against various malignancies such as ovarian carcinoma. The aim of this study is to improve the therapeutic efficacy of carboplatin using pegylated liposomal nanocarriers. Nanoparticles were synthesized using thin film hydration technique and characterized for shape morphology, particle size, zeta potential and drug-release properties. In the next step, A2780S and A2780CP ovarian cancer cell lines were used to determine the efficacy of nanodrug by MTT assay. The particle size and zeta potential of nanodrug were measured 244...
June 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28428618/pulmonary-delivery-of-triptolide-loaded-liposomes-decorated-with-anti-carbonic-anhydrase-ix-antibody-for-lung-cancer-therapy
#12
Congcong Lin, Blenda Chi Kwan Wong, Hubiao Chen, Zhaoxiang Bian, Ge Zhang, Xue Zhang, Muhammad Kashif Riaz, Deependra Tyagi, Ge Lin, Yanbo Zhang, Jinjin Wang, Aiping Lu, Zhijun Yang
Antibody-decorated liposomes can facilitate the precise delivery of chemotherapeutic drugs to the lung by targeting a recognition factor present on the surface of lung tumor cells. Carbonic anhydrase IX (CA IX) is an enzyme expressed on the surface of lung cancer cells with a restricted expression in normal lungs. Here, we explored the utility of anti-carbonic anhydrase IX (CA IX) antibody, conjugated to the surface of triptolide (TPL)-loaded liposomes (CA IX-TPL-Lips), to promote the therapeutic effects for lung cancer via pulmonary administration...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28427443/benserazide-a-dopadecarboxylase-inhibitor-suppresses-tumor-growth-by-targeting-hexokinase-2
#13
Wei Li, Mengzhu Zheng, Shuangping Wu, Suyu Gao, Mei Yang, Zhimei Li, Qiuxia Min, Weiguang Sun, Lixia Chen, Guangya Xiang, Hua Li
BACKGROUND: Hexokinase (HK) is the rate-limiting enzyme in the first reaction of glycolysis. And Hexokinase 2 (HK2) is most closely related to malignant tumor which expresses at higher level compared with normal cells. HK2 plays a pivotal role in tumor initiation and maintenance, which provides a new target for cancer therapy. METHODS: Structure-based virtual ligand screening was used in hit identification from ZINC Drug Database. Microscale thermophoresis assay was performed to evaluate the binding affinity...
April 20, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28423708/targeting-the-centriolar-replication-factor-stil-synergizes-with-dna-damaging-agents-for-treatment-of-ovarian-cancer
#14
Noa Rabinowicz, Lingegowda S Mangala, Kevin R Brown, Cintia Checa-Rodriguez, Asher Castiel, Oren Moskovich, Giulia Zarfati, Luba Trakhtenbrot, Adva Levy-Barda, Dahai Jiang, Cristian Rodriguez-Aguayo, Sunila Pradeep, Yael van Praag, Gabriel Lopez-Berestein, Ahuvit David, Ilya Novikov, Pablo Huertas, Robert Rottapel, Anil K Sood, Shai Izraeli
Advanced ovarian cancer is an incurable disease. Thus, novel therapies are required. We wished to identify new therapeutic targets for ovarian cancer. ShRNA screen performed in 42 ovarian cancer cell lines identified the centriolar replication factor STIL as an essential gene for ovarian cancer cells. This was verified in-vivo in orthotopic human ovarian cancer mouse models. STIL depletion by administration of siRNA in neutral liposomes resulted in robust anti-tumor effect that was further enhanced in combination with cisplatin...
March 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28422375/recurrent-ovarian-undifferentiated-carcinoma-resembling-hepatoid-morphology-treated-with-pegylated-liposomal-doxorubicin-and-bevacizumab
#15
Tatsuya Ishiguro, Kastunori Kashima, Nozomi Yachida, Teiichi Motoyama, Takayuki Enomoto
Hepatoid carcinomas are undifferentiated epithelial carcinomas that are pathologically similar to hepatocellular carcinoma, but occur in a variety of organs. Hepatoid carcinomas, as strictly defined, typically produce α-fetoprotein. In addition, a standard effective chemotherapy regimen for hepatoid carcinoma has yet to be established. We present a case of advanced primary ovarian cancer that was pathologically similar to hepatoid carcinoma without staining for α-fetoprotein or hepatocyte paraffin 1. The primary ovarian, metastatic, and recurrent tumors shared similar pathological characteristics...
April 19, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28419458/therapeutic-potential-of-novel-formulated-forms-of-curcumin-in-the-treatment-of-breast-cancer-by-the-targeting-of-cellular-and-physiological-dysregulated-pathways
#16
REVIEW
Amir Tajbakhsh, Malihe Hasanzadeh, Mehdi Rezaee, Mostafa Khedri, Majid Khazaei, Soodabeh Shahid Sales, Gordon A Ferns, Seyed Mahdi Hassanian, Amir Avan
Breast cancer is among the most important causes of cancer related death in women. There is a need for novel agents for targeting key signaling pathways to either improve the efficacy of the current therapy, or reduce toxicity. There is some evidence that curcumin may have antitumor activity in breast cancer. Several clinical trials have investigated its activity in patients with breast cancer, including a recent trial in breast cancer patients receiving radiotherapy, in whom it was shown that curcumin reduced the severity of radiation dermatitis, although it is associated with low bioavailability...
April 17, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28418672/a-liposome-encapsulated-ruthenium-polypyridine-complex-as-a-theranostic-platform-for-triple-negative-breast-cancer
#17
Jianliang Shen, Hancheon Kim, Joy Wolfram, Chao-Feng Mu, Wei Zhang, Haoran Liu, Yan Xie, Junhua Mai, Hang Zhang, Zhi Li, Maria L Guevara, Zong-Wan Mao, Haifa Shen
Ruthenium coordination complexes have the potential to serve as novel theranostic agents for cancer. However, a major limitation in their clinical implementation is effective tumor accumulation. In this study, we have developed a liposome-based theranostic nanodelivery system for [Ru(phen)2dppz](ClO4)2 (Lipo-Ru). This ruthenium polypyridine complex emits a strong fluorescent signal when incorporated in the hydrophobic lipid bilayer of the delivery vehicle or in the DNA helix, enabling visualization of the therapeutic agent in tumor tissues...
April 18, 2017: Nano Letters
https://www.readbyqxmd.com/read/28417560/treatment-of-tumor-in-lymph-nodes-using-near-infrared-laser-light-activated-thermosensitive-liposome-encapsulated-doxorubicin-and-gold-nanorods
#18
Daisuke Matsuki, Oladipo Adewale, Sachiko Horie, Junnosuke Okajima, Atsuki Komiya, Oluwatobi Oluwafemi, Shigenao Maruyama, Shiro Mori, Tetsuya Kodama
Tumor metastasis to lymph nodes is an important contributory factor for cancer-related deaths despite recent developments in cancer therapy. In this study, we demonstrate that tumor in the proper axillary lymph node (PALN) of the mouse can be treated by the application of external laser light to trigger the unloading of doxorubicin (DOX) encapsulated in thermosensitive liposomes (TSLs) administered together with gold nanorods (GNRs). GNRs + DOX-TSLs were injected into a mouse lymph node containing cancer cells (malignant fibrous histiocytoma-like cells) and intranodal DOX release was activated using near-infrared (NIR) laser irradiation...
April 18, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/28416757/theranostic-imaging-of-liver-cancer-using-targeted-optical-mri-dual-modal-probes
#19
Qingshan Chen, Wenting Shang, Chaoting Zeng, Kun Wang, Xiaoyuan Liang, Chongwei Chi, Xiao Liang, Jian Yang, Chihua Fang, Jie Tian
The accurate preoperative detection and intraoperative navigation afforded by imaging techniques have had significant impact on the success of liver cancer surgeries. However, it is difficult to achieve satisfactory performance in both diagnosis and surgical treatment processes using any single modality imaging method. Here, we report the synthesis and characteristics of a novel dual-modality magnetic resonance imaging (MRI) and near-infrared fluorescence (NIRF) probe and verify its feasibility in nude mouse models with liver cancer...
February 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28412448/self-assembled-liposomes-of-dual-paclitaxel-phospholipid-prodrug-for-anticancer-therapy
#20
Longbing Ling, Yawei Du, Muhammad Ismail, Ruiyu He, Yongpeng Hou, Zhenglin Fu, Ying Zhang, Chen Yao, Xinsong Li
In this report, a newly liposomal formulation of paclitaxel (PTX) based on dual paclitaxel succinate glycerophosphorylcholine (Di-PTX-GPC) prodrug was developed. The Di-PTX-GPC prodrug was synthesised by conjugating PTX with GPC through esterification under N,N'-carbonyldiimidazole (CDI) and 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) catalytic system. Di-PTX-GPC liposomes were prepared by thin film method and characterized by dynamic light scattering (DLS) and transmission electron microscope (TEM). The results indicated that the liposomes have an average diameter of 157...
April 12, 2017: International Journal of Pharmaceutics
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